gEDA-cvs: pcb.git: branch: master updated (a8a4eaf68134846504b6c0ff843699aed5581083)

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=========
 Summary
=========

 src/hid/gtk/gtkhid-main.c |   40 ++++++++++++++++------------------------
 1 files changed, 16 insertions(+), 24 deletions(-)


=================
 Commit Messages
=================

commit a8a4eaf68134846504b6c0ff843699aed5581083
Author: Peter Clifton <pcjc2@xxxxxxxxx>
Commit: Peter Clifton <pcjc2@xxxxxxxxx>

    hid/gtk: Refactor common view clamping code from ghid_{pan,zoom}_view_abs
    
    Inspection of the zoom-fit code which triggers if the view exceeds the
    size of the board suggests that it will never be called, so remove it.

:100644 100644 96ff923... be4f1db... M	src/hid/gtk/gtkhid-main.c

=========
 Changes
=========

commit a8a4eaf68134846504b6c0ff843699aed5581083
Author: Peter Clifton <pcjc2@xxxxxxxxx>
Commit: Peter Clifton <pcjc2@xxxxxxxxx>

    hid/gtk: Refactor common view clamping code from ghid_{pan,zoom}_view_abs
    
    Inspection of the zoom-fit code which triggers if the view exceeds the
    size of the board suggests that it will never be called, so remove it.

diff --git a/src/hid/gtk/gtkhid-main.c b/src/hid/gtk/gtkhid-main.c
index 96ff923..be4f1db 100644
--- a/src/hid/gtk/gtkhid-main.c
+++ b/src/hid/gtk/gtkhid-main.c
@@ -35,26 +35,13 @@ bool ghid_flip_x = false, ghid_flip_y = false;
 static void ghid_zoom_view_fit (void);
 
 static void
-ghid_pan_view_abs (Coord pcb_x, Coord pcb_y, int widget_x, int widget_y)
+pan_common (GHidPort *port)
 {
-  gport->view_x0 = MAX (0, SIDE_X (pcb_x) - widget_x * gport->zoom);
-  gport->view_y0 = MAX (0, SIDE_Y (pcb_y) - widget_y * gport->zoom);
-
-  /* Don't pan so far to the right or bottom that we see past the board edge */
-  gport->view_x0 = MIN (gport->view_x0, PCB->MaxWidth  - gport->view_width);
-  gport->view_y0 = MIN (gport->view_y0, PCB->MaxHeight - gport->view_height);
-
-  /* Don't view above or to the left of the board... ever */
+  /* Don't pan so far that we see past the board edges */
   gport->view_x0 = MAX (0, gport->view_x0);
   gport->view_y0 = MAX (0, gport->view_y0);
-
-  /* If we can see the entire board and some, then zoom to fit */
-  if (gport->view_width  > PCB->MaxWidth  &&
-      gport->view_height > PCB->MaxHeight)
-    {
-      ghid_zoom_view_fit ();
-      return;
-    }
+  gport->view_x0 = MIN (gport->view_x0, PCB->MaxWidth  - gport->view_width);
+  gport->view_y0 = MIN (gport->view_y0, PCB->MaxHeight - gport->view_height);
 
   ghidgui->adjustment_changed_holdoff = TRUE;
   gtk_range_set_value (GTK_RANGE (ghidgui->h_range), gport->view_x0);
@@ -64,6 +51,15 @@ ghid_pan_view_abs (Coord pcb_x, Coord pcb_y, int widget_x, int widget_y)
   ghid_port_ranges_changed();
 }
 
+static void
+ghid_pan_view_abs (Coord pcb_x, Coord pcb_y, int widget_x, int widget_y)
+{
+  gport->view_x0 = SIDE_X (pcb_x) - widget_x * gport->zoom;
+  gport->view_y0 = SIDE_Y (pcb_y) - widget_y * gport->zoom;
+
+  pan_common (gport);
+}
+
 
 /* gport->zoom:
  * zoom value is PCB units per screen pixel.  Larger numbers mean zooming
@@ -97,15 +93,11 @@ ghid_zoom_view_abs (Coord center_x, Coord center_y, double new_zoom)
   pixel_slop = new_zoom;
   ghid_port_ranges_scale ();
 
-  gport->view_x0 = MAX (0, SIDE_X (center_x) - xtmp * gport->view_width);
-  gport->view_y0 = MAX (0, SIDE_Y (center_y) - ytmp * gport->view_height);
+  gport->view_x0 = SIDE_X (center_x) - xtmp * gport->view_width;
+  gport->view_y0 = SIDE_Y (center_y) - ytmp * gport->view_height;
 
-  ghidgui->adjustment_changed_holdoff = TRUE;
-  gtk_range_set_value (GTK_RANGE (ghidgui->h_range), gport->view_x0);
-  gtk_range_set_value (GTK_RANGE (ghidgui->v_range), gport->view_y0);
-  ghidgui->adjustment_changed_holdoff = FALSE;
+  pan_common (gport);
 
-  ghid_port_ranges_changed ();
   ghid_set_status_line_label ();
 }
 




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